05de017bd5
* BLEServer::disconnect() * Invoke Read callback first, to make data update possible before read
142 lines
4.5 KiB
C++
142 lines
4.5 KiB
C++
/*
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* BLEServer.h
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*
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* Created on: Apr 16, 2017
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* Author: kolban
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*/
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#ifndef COMPONENTS_CPP_UTILS_BLESERVER_H_
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#define COMPONENTS_CPP_UTILS_BLESERVER_H_
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#include "sdkconfig.h"
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#if defined(CONFIG_BT_ENABLED)
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#include <esp_gatts_api.h>
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#include <string>
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#include <string.h>
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// #include "BLEDevice.h"
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#include "BLEUUID.h"
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#include "BLEAdvertising.h"
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#include "BLECharacteristic.h"
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#include "BLEService.h"
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#include "BLESecurity.h"
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#include "FreeRTOS.h"
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#include "BLEAddress.h"
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class BLEServerCallbacks;
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/* TODO possibly refactor this struct */
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typedef struct {
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void *peer_device; // peer device BLEClient or BLEServer - maybe its better to have 2 structures or union here
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bool connected; // do we need it?
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uint16_t mtu; // every peer device negotiate own mtu
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} conn_status_t;
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/**
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* @brief A data structure that manages the %BLE servers owned by a BLE server.
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*/
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class BLEServiceMap {
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public:
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BLEService* getByHandle(uint16_t handle);
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BLEService* getByUUID(const char* uuid);
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BLEService* getByUUID(BLEUUID uuid, uint8_t inst_id = 0);
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void handleGATTServerEvent(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t* param);
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void setByHandle(uint16_t handle, BLEService* service);
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void setByUUID(const char* uuid, BLEService* service);
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void setByUUID(BLEUUID uuid, BLEService* service);
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std::string toString();
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BLEService* getFirst();
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BLEService* getNext();
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void removeService(BLEService *service);
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int getRegisteredServiceCount();
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private:
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std::map<uint16_t, BLEService*> m_handleMap;
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std::map<BLEService*, std::string> m_uuidMap;
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std::map<BLEService*, std::string>::iterator m_iterator;
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};
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/**
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* @brief The model of a %BLE server.
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*/
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class BLEServer {
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public:
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uint32_t getConnectedCount();
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BLEService* createService(const char* uuid);
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BLEService* createService(BLEUUID uuid, uint32_t numHandles=15, uint8_t inst_id=0);
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BLEAdvertising* getAdvertising();
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void setCallbacks(BLEServerCallbacks* pCallbacks);
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void startAdvertising();
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void removeService(BLEService* service);
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BLEService* getServiceByUUID(const char* uuid);
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BLEService* getServiceByUUID(BLEUUID uuid);
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bool connect(BLEAddress address);
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void disconnect(uint16_t connId);
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uint16_t m_appId;
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void updateConnParams(esp_bd_addr_t remote_bda, uint16_t minInterval, uint16_t maxInterval, uint16_t latency, uint16_t timeout);
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/* multi connection support */
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std::map<uint16_t, conn_status_t> getPeerDevices(bool client);
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void addPeerDevice(void* peer, bool is_client, uint16_t conn_id);
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void removePeerDevice(uint16_t conn_id, bool client);
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BLEServer* getServerByConnId(uint16_t conn_id);
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void updatePeerMTU(uint16_t connId, uint16_t mtu);
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uint16_t getPeerMTU(uint16_t conn_id);
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uint16_t getConnId();
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private:
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BLEServer();
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friend class BLEService;
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friend class BLECharacteristic;
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friend class BLEDevice;
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esp_ble_adv_data_t m_adv_data;
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// BLEAdvertising m_bleAdvertising;
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uint16_t m_connId;
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uint32_t m_connectedCount;
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uint16_t m_gatts_if;
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std::map<uint16_t, conn_status_t> m_connectedServersMap;
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FreeRTOS::Semaphore m_semaphoreRegisterAppEvt = FreeRTOS::Semaphore("RegisterAppEvt");
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FreeRTOS::Semaphore m_semaphoreCreateEvt = FreeRTOS::Semaphore("CreateEvt");
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FreeRTOS::Semaphore m_semaphoreOpenEvt = FreeRTOS::Semaphore("OpenEvt");
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BLEServiceMap m_serviceMap;
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BLEServerCallbacks* m_pServerCallbacks = nullptr;
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void createApp(uint16_t appId);
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uint16_t getGattsIf();
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void handleGATTServerEvent(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param);
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void registerApp(uint16_t);
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}; // BLEServer
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/**
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* @brief Callbacks associated with the operation of a %BLE server.
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*/
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class BLEServerCallbacks {
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public:
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virtual ~BLEServerCallbacks() {};
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/**
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* @brief Handle a new client connection.
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*
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* When a new client connects, we are invoked.
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*
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* @param [in] pServer A reference to the %BLE server that received the client connection.
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*/
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virtual void onConnect(BLEServer* pServer);
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virtual void onConnect(BLEServer* pServer, esp_ble_gatts_cb_param_t *param);
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/**
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* @brief Handle an existing client disconnection.
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*
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* When an existing client disconnects, we are invoked.
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*
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* @param [in] pServer A reference to the %BLE server that received the existing client disconnection.
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*/
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virtual void onDisconnect(BLEServer* pServer);
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}; // BLEServerCallbacks
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#endif /* CONFIG_BT_ENABLED */
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#endif /* COMPONENTS_CPP_UTILS_BLESERVER_H_ */
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